mongodb new structure, added new collection chats

src/entity/chat.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from typing import Iterable
+
+from bot.message.inboundMessage import InboundMessage
+
+
+@dataclass
+class Chat:
+    chat_id: str
+    groups: dict
+
+    mongo_chat_id_index: str = '_id'
+    mongo_groups_index: str = 'groups'
+
+    def to_mongo_document(self) -> dict:
+        return {
+            self.mongo_chat_id_index: self.chat_id,
+            self.mongo_groups_index: self.groups
+        }
+
+    @staticmethod
+    def from_mongo_document(mongo_document: dict) -> Chat:
+        return Chat(
+            mongo_document[Chat.mongo_chat_id_index],
+            mongo_document[Chat.mongo_groups_index]
+        )
+
+    @staticmethod
+    def from_inbound_message(inbound: InboundMessage) -> Chat:
+        return Chat(inbound.chat_id, {inbound.group_name: []})